[PATCH] kernel/stop_machine: fix (de)reference function pointer

[Liu, Changcheng]

It's better to avoid ambiguity when (de)referencing function
pointer.

Signed-off-by: Liu Changcheng <changcheng.liu@xxxxxxxxx>

diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
index b759126..121d6aa 100644
--- a/kernel/stop_machine.c
+++ b/kernel/stop_machine.c
@@ -577,7 +577,7 @@ int stop_machine_cpuslocked(cpu_stop_fn_t fn, void *data,
 
 		local_irq_save(flags);
 		hard_irq_disable();
-		ret = (*fn)(data);
+		ret = fn(data);
 		local_irq_restore(flags);
 
 		return ret;
-- 
2.7.4